In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Reversible exothermic Irreversible exothermic Irreversible endothermic Reversible endothermic TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products Increasing the concentration of one of the reactants None of these TRUE ANSWER : ? YOUR ANSWER : ?
Equilibrium of a chemical reaction as viewed by kinetics is a __________ state. Dynamic unsteady None of these Dynamic steady Static steady TRUE ANSWER : ? YOUR ANSWER : ?
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Insensitive to temperature changes Mostly irreversible Always irreversible Highly temperature sensitive TRUE ANSWER : ? YOUR ANSWER : ?
n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume V.n V 1/V V/n TRUE ANSWER : ? YOUR ANSWER : ?
Limiting reactant in a chemical reaction decides the Reaction speed Conversion Equilibrium constant Rate constant TRUE ANSWER : ? YOUR ANSWER : ?
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is Maltase Diastase Invertase Zymase TRUE ANSWER : ? YOUR ANSWER : ?
The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is 0.5 1.5 1 -0.5 TRUE ANSWER : ? YOUR ANSWER : ?
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan hT/T Tan T/T None of these Tan hT/tan T TRUE ANSWER : ? YOUR ANSWER : ?
The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Increases Decreases Remains unaffected Unpredictable from the data TRUE ANSWER : ? YOUR ANSWER : ?